She just wants to remind the DUmmies that she's in the cool group, the computer savvy intelligentsia, the in-the-know and up-to-date computer snobs who use only Apple or some obscure open source OS, because anything from Microsoft is just American corporate crap.
Of course the vast majority of civilized humanity, along with virtually all business, is still suffering through the "years of Windows".
But not nadin. She's all Apple, all the time, and don't you forget it.
